<template>
  <Dialog v-model="dialogVisible" :title="dialogTitle">
    <el-form
      ref="formRef"
      v-loading="formLoading"
      :model="formData"
      :rules="formRules"
      label-width="80px"
    >
      <el-row>
        <el-col>
          <el-form-item label="老师id" prop="teacherId">
            <el-input v-model="formData.teacherId" placeholder="请输入老师id" disabled />
          </el-form-item>
        </el-col>
        <el-col>
          <el-button @click="openTeacherSelection">选择老师</el-button>
        </el-col>
      </el-row>
    </el-form>
    <template #footer>
      <el-button :disabled="formLoading" type="primary" @click="submitForm">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
  <TeacherSelection ref="teacherSelectionRef" @data="getTeacherData" :isSingleSelect="true" />
</template>
<script lang="ts" name="TeacherUserBindForm" setup>
import * as UserApi from '@/api/system/user'

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formData = ref({
  teacherId: undefined,
  userId: undefined
})
const formRules = reactive({
  teacherId: [{ required: true, message: '老师id不能为空', trigger: 'blur' }]
})
const formRef = ref() // 表单 Ref

/** 打开弹窗 */
const open = async (userId: number) => {
  dialogVisible.value = true
  dialogTitle.value = t('用户绑定老师')
  resetForm()
  formData.value.userId = userId
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  // 校验表单
  if (!formRef.value) return
  const valid = await formRef.value.validate()
  if (!valid) return
  // 提交请求
  formLoading.value = true
  try {
    const data = formData.value as unknown as UserApi.bindTeacherUserVO
    await UserApi.bindTeacher(data)
    message.success(t('common.updateSuccess'))
    dialogVisible.value = false
    // 发送操作成功的事件
    emit('success')
  } finally {
    formLoading.value = false
  }
}

/** 重置表单 */
const resetForm = () => {
  formData.value = {
    teacherId: undefined,
    userId: undefined
  }
  formRef.value?.resetFields()
}

const getTeacherData = (data: any) => {
  formData.value.teacherId = data[0].id
}

/** 打开绑定老师框 */
const teacherSelectionRef = ref()
const openTeacherSelection = () => {
  teacherSelectionRef.value.open()
}
</script>
